Unlike IATA airport codes, ICAO airport codes  are generally less recognized by air passengers.

与 IATA 机场代码不同，ICAO 机场代码通常不太为航空旅客所认可。

Which airport codes do you prefer using?

您更喜欢使用哪个机场代码？

These three-letter airport identifiers  are known as the IATA airport codes, and are generally used by commercial  airlines when identifying their destinations.

这些由三个字母组成的机场标识符被称为 IATA 机场代码，商业航空公司通常在识别目的地时使用它们。

However, unlike the continental United States,   which simply adds the K prefix to the IATA airport code, each country, state, or region which  uses the 'P' prefix is assigned a second letter.

然而，与美国大陆不同， 它只是在 IATA 机场代码中添加 K 前缀，每个使用“P” 前缀的国家、州或地区都被分配了第二个字母。